AirHint found the following cheapest return flights from New York (LGA) to Keflavik (KEF) in May 2026 (see full year).

Return flights

07 May - 12 May	KLM
14 May - 17 May	Air France
07 May - 14 May	KLM
19 May - 26 May	KLM
19 May - 27 May	KLM
12 May - 19 May	Virgin Atlantic
23 May - 30 May	Delta
17 May - 24 May	Delta
13 May - 27 May	Delta
31 May - 09 Jun	Virgin Atlantic
30 May - 08 Jun	Virgin Atlantic
29 May - 05 Jun	Air France
29 May - 07 Jun	Virgin Atlantic
08 May - 11 May	Delta
26 May - 03 Jun	Air France
29 May - 08 Jun	Air France
23 May - 20 Jun	United
28 May - 02 Jun	British Airways

Also check the deals for one-way flights from New York to Keflavik in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from New York to Keflavik in May from 346€

Return flights